From owner-freebsd-stable Sun Dec 16 6:34: 3 2001 Delivered-To: freebsd-stable@freebsd.org Received: from mail2.mediadesign.nl (md2.mediadesign.nl [212.19.205.67]) by hub.freebsd.org (Postfix) with SMTP id 0FDCB37B419 for ; Sun, 16 Dec 2001 06:34:00 -0800 (PST) Received: (qmail 12245 invoked by uid 1002); 16 Dec 2001 14:33:53 -0000 From: "Alson van der Meulen" Date: Sun, 16 Dec 2001 15:33:53 +0100 To: freebsd-stable@FreeBSD.ORG Subject: Re: serial console (was: Determining Crash cause?) Message-ID: <20011216153353.Y10171@md2.mediadesign.nl> Mail-Followup-To: freebsd-stable@FreeBSD.ORG References: <3C1B2681.2E507732@vortex.wa4phy.net> <20011215204911.E22667@freeway.dcfinc.com> <20011216150752.A1494@shell.gsinet.sittig.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20011216150752.A1494@shell.gsinet.sittig.org> User-Agent: Mutt/1.3.23i Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sun, Dec 16, 2001 at 03:07:53PM +0100, Gerhard Sittig wrote: > On Sat, Dec 15, 2001 at 20:49 -0700, Chad R. Larson wrote: > > > > On Sat, Dec 15, 2001 at 05:31:29AM -0500, Sam Drinkard wrote: > > > Is there any known method to determine the cause of a crash > > > when there is no panic, no log entries, or other evidence? > > > [ ... ] > > > > Build a kernel with debugging, connect a terminal (or pc running > > Hyperterm or some other equivelant) to a serial port on the FreeBSD > > box, configure for console port, set the Hyperterm to log and then > > wait for the next crash. See if anything useful is captured in the > > log. > > I have a maybe dumb question: Whenever I (sparadically) checked > the Handbook since I'm in this situation to keep boot logs of > systems without installing a system I only see explanations of > what to do to the "controlled" system. Shouldn't there be at > least one mention of the "counterpart" in terms of which base > system program or port could be "the terminal"? Doing a quick > "man -k serial", "man -k console", and "man -k terminal" doesn't > reveal anything appropriate, while the "SEE ALSO" section in > getty(8) -- which looks like the most promising place to look > at -- doesn't have a reference to the "other side" either. cu(1), tip(1), /usr/ports/comms/minicom, to name a few, but nothing really dedicated for this purpose. Alson To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message